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AM50A Magnesium vs. A206.0 Aluminum

AM50A magnesium belongs to the magnesium alloys classification, while A206.0 aluminum belongs to the aluminum alloys.

For each property being compared, the top bar is AM50A magnesium and the bottom bar is A206.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 58
100 to 110
Elastic (Young's, Tensile) Modulus, GPa 45
70
Elongation at Break, % 11
4.2 to 10
Fatigue Strength, MPa 70
90 to 180
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
26
Shear Strength, MPa 120
260
Tensile Strength: Ultimate (UTS), MPa 210
390 to 440
Tensile Strength: Yield (Proof), MPa 120
250 to 380

Thermal Properties

Latent Heat of Fusion, J/g 350
390
Maximum Temperature: Mechanical, °C 120
170
Melting Completion (Liquidus), °C 620
670
Melting Onset (Solidus), °C 570
550
Specific Heat Capacity, J/kg-K 1000
880
Thermal Conductivity, W/m-K 65
130
Thermal Expansion, µm/m-K 26
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
30
Electrical Conductivity: Equal Weight (Specific), % IACS 88
90

Otherwise Unclassified Properties

Base Metal Price, % relative 12
11
Density, g/cm3 1.7
3.0
Embodied Carbon, kg CO2/kg material 23
8.0
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 990
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
16 to 37
Resilience: Unit (Modulus of Resilience), kJ/m3 150
440 to 1000
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 71
46
Strength to Weight: Axial, points 35
36 to 41
Strength to Weight: Bending, points 47
39 to 43
Thermal Diffusivity, mm2/s 39
48
Thermal Shock Resistance, points 13
17 to 19

Alloy Composition


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Aluminum (Al), % 4.4 to 5.4
93.9 to 95.7
Copper (Cu), % 0 to 0.010
4.2 to 5.0
Iron (Fe), % 0 to 0.0040
0 to 0.1
Magnesium (Mg), % 93.7 to 95.3
0 to 0.15
Manganese (Mn), % 0.26 to 0.6
0 to 0.2
Nickel (Ni), % 0 to 0.0020
0 to 0.050
Silicon (Si), % 0 to 0.1
0 to 0.050
Tin (Sn), % 0
0 to 0.050
Titanium (Ti), % 0
0.15 to 0.3
Zinc (Zn), % 0 to 0.22
0 to 0.1
Residuals, % 0
0 to 0.15